Add 90/80 and 6/20
1st number: 1 10/80, 2nd number: 6/20
90/80 + 6/20 is 57/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
6/20 = 6 × 4/20 × 4 = 24/80 - Add the two like fractions:
90/80 + 24/80 = 90 + 24/80 = 114/80 - 114/80 simplified gives 57/40
- So, 90/80 + 6/20 = 57/40
In mixed form: 117/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+12/20 90/80+6/40 90/80+18/20 90/80+6/60 90/80+30/20 90/80+42/20